diff options
Diffstat (limited to 'arch/arm/mvp/pvtcpkm/pvtcp_off.h')
| -rw-r--r-- | arch/arm/mvp/pvtcpkm/pvtcp_off.h | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/arch/arm/mvp/pvtcpkm/pvtcp_off.h b/arch/arm/mvp/pvtcpkm/pvtcp_off.h deleted file mode 100644 index f183968..0000000 --- a/arch/arm/mvp/pvtcpkm/pvtcp_off.h +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Linux 2.6.32 and later Kernel module for VMware MVP PVTCP Server - * - * Copyright (C) 2010-2012 VMware, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; see the file COPYING. If not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#line 5 - -/** - * @file - * - * @brief Offload common definitions. - * This file is meant to only be included via pvtcp.h. - */ - -#ifndef _PVTCP_OFF_H_ -#define _PVTCP_OFF_H_ - - -#define PVTCP_OFF_SOCK_COMMON_FIELDS \ - volatile unsigned int opFlags; /* Saves op codes as bit mask. */ \ - volatile unsigned int flags /* General purpose flags. */ - - -/* General purpose socket flags */ - -enum PvtcpOffPvskFlags { - PVTCP_OFF_PVSKF_IPV6_LOOP = 0, /* Used for IPV6 loopback morphing/reset. */ - PVTCP_OFF_PVSKF_SHUT_RD, /* Set to initiate socket recv shutdown. */ - PVTCP_OFF_PVSKF_SHUT_WR, /* Set to initiate socket send shutdown. */ - PVTCP_OFF_PVSKF_TCP_NODELAY, /* Caches the TCP_NODELAY socket option. */ - PVTCP_OFF_PVSKF_TCP_CORK, /* Caches the TCP_CORK socket option. */ - PVTCP_OFF_PVSKF_DISCONNECT, /* Set do indicate connect()/AF_UNSPEC. */ - PVTCP_OFF_PVSKF_INVALID = 32 -}; - - -/* - * Include OS-dependent PvtcpSock structure and functions. - */ - -#if defined(__linux__) -#include "pvtcp_off_linux.h" -#else -#error "Unsupported OS." -#endif - - -/* - * Offload packet payload data structure. - */ - -typedef struct PvtcpOffBuf { - CommOSList link; // Link in socket queue. - unsigned short len; - unsigned short off; - char data[1]; -} PvtcpOffBuf; - - -/** - * @brief Returns net buffer given private data structure pointer and based - * on the internal offset pointer - * @param arg pointer to PvtcpOffBuf wrapper structure - * @return address of buffer or NULL - */ - -static inline void * -PvtcpOffBufFromInternalOff(PvtcpOffBuf *arg) -{ - return arg ? - &arg->data[arg->off] : - NULL; -} - - -/** - * @brief Returns net buffer given private data structure pointer - * @param arg pointer to PvtcpOffBuf wrapper structure - * @return address of buffer or NULL - */ - -static inline void * -PvtcpOffBufFromInternal(PvtcpOffBuf *arg) -{ - return arg ? - &arg->data[0] : - NULL; -} - - -/** - * @brief Returns internal data structure given net buffer pointer - * @param arg pointer to PvtcpOffBuf wrapper structure - * @return address of internal data structure or NULL - */ - -static inline PvtcpOffBuf * -PvtcpOffInternalFromBuf(void *arg) -{ - return arg ? - (PvtcpOffBuf *)((char *)arg - offsetof(PvtcpOffBuf, data)) : - NULL; -} - - -/** - * @brief Tests operation flag for AIO processing. - * @param pvsk socket to test operation on. - * @param op operation to test if set. - * @return non-zero if operation set, zero otherwise. - * @sideeffect socket processing by AIO threads affected according to operation. - */ - -static inline int -PvskTestOpFlag(struct PvtcpSock *pvsk, - int op) -{ - return pvsk->opFlags & (1 << op); -} - - -/** - * @brief Sets operation flag for AIO processing; acquires the state lock. - * @param[in,out] pvsk socket to set operation on. - * @param op operation to set. - * @sideeffect socket processing by AIO threads affected according to operation. - */ - -static inline void -PvskSetOpFlag(struct PvtcpSock *pvsk, - int op) -{ - unsigned int ops; - - SOCK_STATE_LOCK(pvsk); - ops = pvsk->opFlags | (1 << op); - pvsk->opFlags = ops; - SOCK_STATE_UNLOCK(pvsk); -} - - -/** - * @brief Resets operation flag for AIO processing; acquires the state lock. - * @param[in,out] pvsk socket to reset operation on. - * @param op operation to reset. - * @sideeffect socket processing by AIO threads affected according to operation. - */ - -static inline void -PvskResetOpFlag(struct PvtcpSock *pvsk, - int op) -{ - unsigned int ops; - - SOCK_STATE_LOCK(pvsk); - ops = pvsk->opFlags & ~(1 << op); - pvsk->opFlags = ops; - SOCK_STATE_UNLOCK(pvsk); -} - - -/** - * @brief Tests general purpose socket flags. - * @param pvsk socket. - * @param flag flag to test. - * @return non-zero if flag set, zero otherwise. - */ - -static inline int -PvskTestFlag(struct PvtcpSock *pvsk, - int flag) -{ - return (flag < PVTCP_OFF_PVSKF_INVALID) && (pvsk->flags & (1 << flag)); -} - - -/** - * @brief Sets general purpose socket flags; acquires the state lock. - * @param[in,out] pvsk socket. - * @param flag flag to set or clear. - * @param onOff whether to set or clear the flag. - */ - -static inline void -PvskSetFlag(struct PvtcpSock *pvsk, - int flag, - int onOff) -{ - unsigned int flags; - - SOCK_STATE_LOCK(pvsk); - if (flag < PVTCP_OFF_PVSKF_INVALID) { - if (onOff) { - flags = pvsk->flags | (1 << flag); - } else { - flags = pvsk->flags & ~(1 << flag); - } - pvsk->flags = flags; - } - SOCK_STATE_UNLOCK(pvsk); -} - - -int PvtcpOffSockInit(PvtcpSock *pvsk, CommChannel channel); - -#endif // _PVTCP_OFF_H_ |